on the gaza border. leland vittert has the latest. leland? >> reporter:chris,israelisvery much a country on the brink of war. we have seen hundreds, if not thousands of tanks and personally carriers, ready to push into the gaza strip, in a moment's notice, because the airstrike simply did not stop the rockets flying outf gaza, towards israel. and the iron dome intercepted a number of those rockets today. however, about 8 or 10 got through, causing a half dozen injuries inside of southern israel. and, for the israelis, the airstrikes continued pounding away, day five of hitting the gaza strip, so far the airstrikes killed 50-plus people, half of them civilians, including a number of children and the air forces hit almost a thousand targets, and, leveled much of hamas's infrastructure, inside of the gaza strip. as for the ground war, which certainly caused more civilian casualties, a major escalation. israel called up 30,000 reservists and they are on the borders now, infantry and their tanks, simply waiting for the "go" order to head in and the israeli prime minister is willing to escalat